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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 525 · 40 questions
TalentJR

The fast method (Count the places): Forget the points and multiply the whole numbers: 2.5 × 1.4 → 25 × 14 = 350. Count the decimal places in both numbers: 1 + 1 = 2. Put the point that many places from the right: 3.50 — then drop the 0 at the end: 3.5.

NameDateTime takenScore ___ / 40
  1. 1.7.1 × 0.33 =
  2. 2.0.55 × 2.7 =
  3. 3.0.16 × 2.8 =
  4. 4.6.8 × 0.18 =
  5. 5.0.41 × 1.1 =
  6. 6.0.57 × 2.3 =
  7. 7.7.1 × 0.03 =
  8. 8.9.1 × 0.3 =
  9. 9.2.6 × 0.9 =
  10. 10.4.2 × 2.9 =
  11. 11.4.1 × 0.34 =
  12. 12.0.21 × 0.6 =
  13. 13.5.1 × 1.2 =
  14. 14.2.1 × 0.3 =
  15. 15.0.94 × 2.9 =
  16. 16.0.81 × 0.7 =
  17. 17.7.2 × 0.28 =
  18. 18.7.7 × 0.02 =
  19. 19.1.8 × 3.9 =
  20. 20.1.8 × 2.2 =
  21. 21.1.2 × 0.37 =
  22. 22.5.1 × 1.9 =
  23. 23.5.2 × 0.05 =
  24. 24.8.7 × 0.37 =
  25. 25.0.15 × 2.1 =
  26. 26.6.9 × 0.2 =
  27. 27.2.1 × 3.1 =
  28. 28.6.3 × 0.23 =
  29. 29.0.81 × 2.1 =
  30. 30.0.19 × 3.4 =
  31. 31.2.8 × 0.06 =
  32. 32.6.1 × 2.2 =
  33. 33.0.25 × 3.1 =
  34. 34.0.17 × 1.5 =
  35. 35.9.5 × 3.9 =
  36. 36.3.1 × 0.21 =
  37. 37.0.19 × 2.7 =
  38. 38.8.4 × 0.08 =
  39. 39.9.1 × 0.11 =
  40. 40.0.51 × 1.1 =

Answer key

  1. 2.343
  2. 1.485
  3. 0.448
  4. 1.224
  5. 0.451
  6. 1.311
  7. 0.213
  8. 2.73
  9. 2.34
  10. 12.18
  11. 1.394
  12. 0.126
  13. 6.12
  14. 0.63
  15. 2.726
  16. 0.567
  17. 2.016
  18. 0.154
  19. 7.02
  20. 3.96
  21. 0.444
  22. 9.69
  23. 0.26
  24. 3.219
  25. 0.315
  26. 1.38
  27. 6.51
  28. 1.449
  29. 1.701
  30. 0.646
  31. 0.168
  32. 13.42
  33. 0.775
  34. 0.255
  35. 37.05
  36. 0.651
  37. 0.513
  38. 0.672
  39. 1.001
  40. 0.561

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